Chioggia is a coastal town and comune of the Metropolitan City of Venice in the Veneto region of northern Italy. The town is situated on a small island at the southern entrance to the Lagoon of Venice about 25 kilometres (16 miles) south of Venice (Venezia), causeways connect it to the mainland and to its frazione, nowadays a quarter, of Sottomarina. The population of the comune is around 50,000, with the town proper accounting for about half of that and Sottomarina for most of the rest.