Stormont Castle is located in Belfast, Northern Ireland, and serves as the official residence of the Northern Ireland Executive. Built in the early 19th century, it features a neoclassical architectural style and is surrounded by beautiful gardens and parkland. The castle is situated on the Stormont Estate, which also houses the Northern Ireland Assembly. This assembly is responsible for the governance of Northern Ireland, making Stormont Castle an important political landmark in the region. Visitors can explore the grounds and learn about its historical significance.