From this page you can download some GeoJSON files that you can use with geoClassy module. If you want some other files just ask!

Europe

Italy

Boundaries of Veneto (Italy) province (57 downloads)

[‘Rovigo’, ‘Verona’, ‘Padova’, ‘Venezia’, ‘Vicenza’, ‘Treviso’, ‘Belluno’]

Spain

Boundaries of Madrid (Spain) neighborhoods (61 downloads)

[‘Usera’, ‘Villaverde’, ‘Villa de Vallecas’, ‘Puente de Vallecas’, ‘Moratalaz’, ‘San Blas’, ‘Vicálvaro’, ‘Barajas’, ‘Hortaleza’, ‘Carabanchel’, ‘Latina’, ‘Moncloa-Aravaca’, ‘Centro’, ‘Fuencarral-El Pardo’, ‘Arganzuela’, ‘Retiro’, ‘Salamanca’, ‘Chamartín’, ‘Tetuán’, ‘Chamberí’, ‘Sector III (Cerro Buenavista)’, ‘Ciudad Lineal’]

America

New York

Central Park perimeter (New York City) (49 downloads)

[‘Central Park’]

Boundaries of New York CIty (USA) neighborhoods (56 downloads)

[‘Marble Hill’, ‘Times Square’, ‘Flatiron District’, ‘Inwood’, ‘Fort George’, ‘Hudson Heights’, ‘Washington Heights’, ‘Sugar Hill’, ‘Hamilton Heights’, ‘Manhattanville’, ‘Morningside Heights’, ‘Manhattan Valley’, ‘Harlem’, ‘East Harlem’, ‘Carnegie Hill’, ‘Yorkville’, ‘Upper West Side’, ‘Lincoln Square’, ‘Columbus Circle’, ‘Upper East Side’, ‘Lenox Hill’, ‘Midtown’, ‘Midtown East’, ‘Turtle Bay’, ‘Tudor City’, ‘Murray Hill’, ‘Hudson Yards’, “Hell’s Kitchen”, ‘Garment District’, ‘Herald Square’, ‘Koreatown’, ‘Midtown South’, ‘NoMad’, ‘Rose Hill’, ‘Kips Bay’, ‘Stuy Town’, ‘Gramercy’, ‘Union Square’, ‘Chelsea’, ‘Meatpacking District’, ‘Alphabet City’, ‘East Village’, ‘NoHo’, ‘Greenwich Village’, ‘West Village’, ‘Hudson Square’, ‘SoHo’, ‘Little Italy’, ‘Lower East Side’, ‘Chinatown’, ‘TriBeCa’, ‘Civic Center’, ‘Two Bridges’, ‘Financial District’, ‘Battery Park City’]