Wirral, metropolitan borough, metropolitan county of Merseyside, historic county of Cheshire, northwestern England. It occupies the major portion of the Wirral peninsula, which is bounded by the River Mersey, the Irish Sea, and the River Dee.

What is the Wirral classed as?

Wirral (/ˈwɪrəl/), also known 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 River Dee to the west that forms a boundary with Wales, the River Mersey to the east, and the Irish Sea to the north.

Is Merseyside a county?

Merseyside, metropolitan county in northwestern England. It is situated on both banks of the lower reaches of the River Mersey estuary and centred on the city of Liverpool. The metropolitan county comprises five metropolitan boroughs: Knowsley, St. Helens, Sefton, Wirral, and the city of Liverpool.