Official website of Portsmouth, NH, providing residents and visitors with essential information on city services, government, community events, and public resources.

Discover the charm of Portsmouth New Hampshire with this comprehensive guide to the best things to do in this historic coastal city, from waterfront strolls to world-class museums and restaurants.

Portsmouth (/ ˈpɔːrtsməθ / ⓘ PORTS-məth) is a port city and unitary authority in Hampshire, England. Most of Portsmouth is located on Portsea Island, off the south coast of England in the Solent, making Portsmouth the only city in England not located primarily on the mainland.

Portsmouth is the Great Waterfront City – packed with world-class attractions, fantastic things to do and a year-round programme of events. Escape to the UK's only island city, to explore miles of coastline and centuries of history.

News & Events Know what's happening in Portsmouth Hydrant Flushing Program Scheduled May 5 - 21, 2026 to occur between 6:00 PM and 12:00 AM Read on...

Portsmouth, city and unitary authority, geographic and historic county of Hampshire, England. It is a major naval base and, with Southsea, a popular holiday resort.

Portsmouth’s popularity is well-earned, with museums, restaurants, and shopping that blend perfectly with the Seacoast landscape. From indoor attractions to outdoor recreation, here’s a look at everything you can do just across the border from Kittery and South Eliot Maine.

One visit to Portsmouth, Virginia and you'll be hooked. Amble along our famous Seawall. Stroll through three centuries of historic neighborhoods.