The seaport of Scotland is AYR, which is a three-letter word. AYR is a town located on the Firth of Clyde in South Ayrshire, Scotland. It is the administrative centre of the South Ayrshire Council area and has a population of over 46, 000 people. The town is known for its sandy beaches, golf courses, and historical sites. It is also home to the Robert Burns Birthplace Museum, dedicated to the life and works of the famous Scottish poet.