diff --git a/.gitignore b/.gitignore
index c180ae4..a3b12fd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,8 @@ vendor/
 *.tar.gz
 hugo-content
 hugo-images
+hugo-groups
+geo-api-token.txt
 # STDOUT files
 html_text.txt
 html_tags.txt
\ No newline at end of file
diff --git a/command.php b/command.php
index ee0592d..6e0bc8c 100644
--- a/command.php
+++ b/command.php
@@ -16,6 +16,7 @@
 require_once( HH_HUGO_COMMAND_DIR . '/inc/process-wp-post-content.php' );
 require_once( HH_HUGO_COMMAND_DIR . '/inc/migrate-images.php' );
 require_once( HH_HUGO_COMMAND_DIR . '/inc/migrate-post.php' );
+require_once( HH_HUGO_COMMAND_DIR . '/inc/migrate-group.php' );
 
 
 if ( ! class_exists( 'WP_CLI' ) ) {
@@ -210,7 +211,7 @@ function markdown( $args ) {
 	function delete_content_dirs( $args, $assoc_args ) {
 		WP_CLI::confirm( 'Are you sure you want to delete the hugo-content and hugo-images directories?' );
 
-		foreach( array( 'hugo-content', 'hugo-images' ) as $dir ) {
+		foreach( array( 'hugo-content', 'hugo-images', 'hugo-groups' ) as $dir ) {
 			$path = trailingslashit( HH_HUGO_COMMAND_DIR ) . $dir;
 			if ( is_dir( $path ) ) {
 				exec( 'rm -rf ' . escapeshellarg( $path ) );
@@ -228,6 +229,9 @@ function delete_content_dirs( $args, $assoc_args ) {
 	 * <id>
 	 * : WordPress post ID or slug, or comma-separated list of IDs/slugs
 	 *
+	 * [--parent=<id>]
+	 * : Override hard-coded groups parent page ID
+	 *
 	 * [--dry-run]
 	 * : Simulate without touching any Markdown files or images
 	 *
@@ -237,12 +241,19 @@ function delete_content_dirs( $args, $assoc_args ) {
 	 */
 	function migrate_group( $args, $assoc_args ) {
 		$dry_run = isset( $assoc_args['dry-run'] );
+		$parent_id = is_numeric( $assoc_args['parent'] ) ? intval( $assoc_args['parent'] ) : $this->groups_parent_page_id;
 
-		// Convert to array
-		$groups = explode( ',', $args[0] );
+		// Convert to array if needed
+		if ( is_string( $args[0] ) ) {
+			$groups = explode( ',', $args[0] );
+		} else {
+			$groups = array( $args[0] );
+		}
 
 		foreach ( $groups as $group ) {
-			$migrated = new HH_Hugo\Migrate_Group( $group, $dry_run );
+			// $group could be post ID, post_name, or WP_Post object
+			$migrated = new HH_Hugo\Migrate_Group( $group, $parent_id, $dry_run );
+			$result = $migrated->result();
 
 			// $result will be in format like array( 'success' => 'message' )
 			if ( 'success' === array_keys( $result )[0] ) {
@@ -276,7 +287,6 @@ function migrate_all_groups( $args, $assoc_args ) {
 		$parent_id = is_numeric( $assoc_args['parent'] ) ? intval( $assoc_args['parent'] ) : $this->groups_parent_page_id;
 
 		$this->query = new WP_Query( array(
-			'fields' => 'ids',
 			'posts_per_page' => 500,
 			'post_type' => 'page',
 			'post_status' => 'publish',
diff --git a/inc/migrate-group.php b/inc/migrate-group.php
new file mode 100644
index 0000000..e4e3bda
--- /dev/null
+++ b/inc/migrate-group.php
@@ -0,0 +1,207 @@
+<?php
+/**
+ * Migrate groups from WordPress to Hugo data as YAML
+ */
+namespace HH_Hugo;
+
+class Migrate_Group {
+
+	/**
+	 * @var WP_Post WordPress post object to migrate
+	 */
+	protected $page = null;
+
+	/**
+	 * @var string Geocoding API with placeholder for city name
+	 */
+	protected $geo_api_url = 'https://api.mapbox.com/geocoding/v5/mapbox.places/%s.json?access_token=%s';
+
+	/**
+	 * Instantiate and migrate
+	 *
+	 * @param string|int|WP_Post $group WordPress post ID or slug or WP_Post
+	 * @param int $parent_id ID of WordPress parent page
+	 * @param bool $dry_run If true, mock migration only. Defaults to false.
+	 */
+	function __construct( $group, $parent_id = 0, $dry_run = false ) {
+		$content_dir = defined( 'HH_HUGO_UNIT_TESTS_RUNNING' ) ? 'hugo-groups-test' : 'hugo-groups';
+		$this->dest_dir = trailingslashit( HH_HUGO_COMMAND_DIR ) . $content_dir;
+
+		// just return the class for unit testing
+		if ( empty( $group ) && defined( 'HH_HUGO_UNIT_TESTS_RUNNING' ) ) {
+			return;
+		}
+
+		$is_wp_post = is_object( $group ) && 'WP_Post' === get_class( $group );
+		$this->page = $is_wp_post ? $group : $this->get_page( $group, $parent_id );
+
+		$this->data = $this->setup_data( $this->page->ID );
+		$this->filename = sanitize_title( $this->page->post_title ) . '.yml';
+
+		if ( ! $dry_run ) {
+			$written = $this->write_file( $this->filename, $this->data );
+			if ( ! $written ) {
+				$this->result = array( 'error' => 'Error writing file: ' . $this->filename );
+				return;
+			}
+		}
+		$this->result = array( 'success' => 'Migrated ' . $this->filename );
+	}
+
+	/**
+	 * Instantiate and migrate
+	 *
+	 * @param string|int $group WordPress post ID or slug
+	 * @param int $parent_id ID of WordPress parent page
+	 * @return WP_Post
+	 */
+	public function get_page( $group, $parent_id ) {
+		$args = array(
+			'numberposts' => 1,
+			'post_type' => 'page',
+			'post_status' => 'publish',
+			'post_parent' => $parent_id,
+		);
+
+		if ( is_numeric( $group ) ) {
+			$args['page_id'] = intval( $group );
+		} else {
+			$args['name'] = $group;
+		}
+
+		$pages = get_posts( $args );
+		if ( empty( $pages ) ) {
+			$this->result = array( 'error' => 'Could not find group page for: ' . $group );
+			return null;
+		}
+
+		return $pages[0];
+	}
+
+	/**
+	 * Setup data for conversion to YAML
+	 *
+	 * @param int $page Page ID to migrate
+	 * @return array
+	 */
+	public function setup_data( $page_id ) {
+		$title = get_the_title( $page_id );
+		$data = array(
+			'label' => $title,
+		);
+
+		if ( $coordinates = $this->get_coordinates( $title ) ) {
+			$data['coordinates'] = $coordinates;
+		}
+
+		if ( $external_url = $this->get_external_url( $page_id ) ) {
+			$data['externalUrl'] = $external_url;
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Turn city / post title into search query
+	 *
+	 * @param string $city
+	 * @return string
+	 */
+	public function city_search( $city ) {
+		$city = preg_replace( '/[^\w]+/', '+', strtolower( $city ) );
+		return trim( $city, '+' );
+	}
+
+	/**
+	 * Get lat,lon for city name
+	 *
+	 * @param string $city
+	 * @return null|array Lat,Lon array or null if failure
+	 */
+	public function get_coordinates( $city ) {
+		$token_path = trailingslashit( HH_HUGO_COMMAND_DIR ) . 'geo-api-token.txt';
+		if ( ! file_exists( $token_path ) ) {
+			return null;
+		}
+		$token = file_get_contents( $token_path );
+		if ( empty( $token ) ) {
+			return null;
+		}
+
+		$request_url = sprintf( $this->geo_api_url, $this->city_search( $city ), $token );
+		$response = wp_remote_get( $request_url );
+
+		if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
+			return null;
+		}
+
+		$body = json_decode( wp_remote_retrieve_body( $response ), true );
+
+		if ( empty( $body['features'][0]['center'] ) ) {
+			return null;
+		}
+
+		// Carmen GeoJSON provides [lon, lat] but Leaflet.js wants [lat, lon]
+		return array_reverse( $body['features'][0]['center'] );
+	}
+
+	/**
+	 * Get external URL from options stored in Simple 301 Redirects plugin
+	 *
+	 * @param int $page_id
+	 * @return string|null URL or null if not found
+	 */
+	public function get_external_url( $page_id ) {
+		$redirects = get_option( '301_redirects', array() );
+
+		// search in redirects with and without leading slash
+		$uri = get_page_uri( $page_id );
+		if ( ! empty( $redirects[ $uri ] ) ) {
+			return $redirects[ $uri ];
+		}
+
+		if ( ! empty( $redirects[ '/' . $uri ] ) ) {
+			return $redirects[ '/' . $uri ];
+		}
+
+		return null;
+	}
+
+	/**
+	 * Emit yaml with a little bit of processing for Hugo's sake
+	 *
+	 * @param array $data Group data
+	 * @return string YAML data
+	 */
+	public function get_yaml( $data ) {
+		$yaml = yaml_emit( $data, YAML_UTF8_ENCODING );
+		return trim( preg_replace( array( '/^-+\n/', '/\.+$/'), '', $yaml ) );
+	}
+
+	/**
+	 * Write group data file
+	 *
+	 * @param string $filename
+	 * @param array $data
+	 * @return bool
+	 */
+	public function write_file( $filename, $data ) {
+		if ( ! is_dir( $this->dest_dir ) ) {
+			mkdir( $this->dest_dir, 0755, true );
+		}
+
+		return file_put_contents(
+			trailingslashit( $this->dest_dir ) . $filename,
+			$this->get_yaml( $data )
+		);
+	}
+
+	/**
+	 * Getter for migration results
+	 *
+	 * @return array
+	 */
+	public function result() {
+		return $this->result;
+	}
+}
diff --git a/tests/test-migrate-group.php b/tests/test-migrate-group.php
new file mode 100644
index 0000000..047198d
--- /dev/null
+++ b/tests/test-migrate-group.php
@@ -0,0 +1,68 @@
+<?php
+class HH_Hugo_Test_Migrate_Group extends WP_UnitTestCase {
+	function setUp() {
+		$this->migrator = new HH_Hugo\Migrate_Group( null );
+
+		$this->parent_post = wp_insert_post( array(
+			'post_title' => 'Local Groups',
+			'post_name' => 'chapters',
+			'post_type' => 'page',
+			'post_status' => 'publish',
+		) );
+
+		$this->group_post = wp_insert_post( array(
+			'post_title' => 'Atlanta',
+			'post_name' => 'atlanta',
+			'post_type' => 'page',
+			'post_status' => 'publish',
+			'post_parent' => $this->parent_post,
+		) );
+
+		update_option( '301_redirects', array( '/chapters/atlanta' => 'https://www.meetup.com/HacksHackersATL/' ) );
+	}
+
+	function tearDown() {
+		wp_delete_post( $this->parent_post, true );
+		wp_delete_post( $this->group_post, true );
+	}
+
+	/**
+	 * Get contents of test data file
+	 *
+	 * @param string $type 'test' or 'expect'
+	 * @param string $filename
+	 * @return string Contents of file
+	 */
+	private function _get_test_data( $type, $filename ) {
+		return file_get_contents( HH_HUGO_COMMAND_DIR . '/tests/data/' . $type . '/' . $filename );
+	}
+
+	public function test_setup_data() {
+		$expect = array(
+			'label' => 'Atlanta',
+			'coordinates' => array( 33.749100, -84.390200 ),
+			'externalUrl' => 'https://www.meetup.com/HacksHackersATL/'
+		);
+		$this->assertEquals( $expect, $this->migrator->setup_data( $this->group_post ) );
+	}
+
+	public function test_get_yaml() {
+		$data = $this->migrator->setup_data( $this->group_post );
+		$actual = $this->migrator->get_yaml( $data );
+		$expected = "label: Atlanta\ncoordinates:\n- 33.749100\n- -84.390200\nexternalUrl: https://www.meetup.com/HacksHackersATL/";
+		$this->assertEquals( $expected, $actual );
+	}
+
+	public function test_city_search() {
+		$tests = array(
+			array( 'Atlanta', 'atlanta' ),
+			array( 'Mexico City', 'mexico+city' ),
+			array( 'Raleigh/Durham', 'raleigh+durham' ),
+			array( 'Amman, Jordan', 'amman+jordan' ),
+			array( 'Research Triangle (Chapel Hill/Durham/Raleigh, N.C.)', 'research+triangle+chapel+hill+durham+raleigh+n+c' ),
+		);
+		foreach ( $tests as $test ) {
+			$this->assertEquals( $test[1], $this->migrator->city_search( $test[0] ) );
+		}
+	}
+}