If you have 7 days to spend in Carmarthen, here are some suggestions on how to spend your time:
Visit Carmarthen Castle, Carmarthen's most iconic landmark. It will take around 1-2 hours to explore the castle ruins and the nearby St. Peter's Church.
Take a stroll around the National Botanic Garden of Wales, which is located just outside of Carmarthen. You can spend 2-4 hours wandering the gardens and visiting the exhibits.
Visit Laugharne, a charming town 15 miles southwest of Carmarthen that was once home to the poet Dylan Thomas. Spend an afternoon exploring the town's historic castle and walking along the estuary.
Head to the coast and explore the beaches near Pendine and Saundersfoot. These two towns are about a 30-minutes drive from Carmarthen, and you can spend the day walking along the beach, visiting local shops and cafes, and enjoying the coastal views.
Visit Kidwelly Castle, a well-preserved 12th-century castle that sits on the River Gwendraeth. You can explore the castle and its grounds for 1-2 hours.
Take a hike in the Brecon Beacons National Park, which is about an hour's drive from Carmarthen. There are many trails to choose from, ranging in length and difficulty, and you can easily spend a whole day exploring the park.
Visit the Carmarthenshire County Museum, located in Abergwili. The museum exhibits Welsh art, history, and culture, and it will take around 1-2 hours to explore.
For places to stay in Carmarthen, check out hotels such as The Ivy Bush Royal Hotel or Falcon Hotel. Airbnb is also an option, with many properties available in and around Carmarthen.