Bromborough is a town in the Metropolitan Borough of Wirral, Merseyside, England, and the historic county of Cheshire, on the Wirral Peninsula southeast of Bebington and north of Eastham.

The Wirral Peninsula, known locally as the Wirral, is a peninsula in North West England. The roughly rectangular peninsula is about 15 miles (24 km) long and 7 miles (11 km) wide, and is bounded by the Dee Estuary to the west, the Mersey Estuary to the east, and Liverpool Bay to the north.