Dalriada was an ancient kingdom located in what is now western Scotland and northeastern Ireland. It emerged around the 6th century and was known for its Gaelic culture and language. The kingdom played a significant role in the spread of Christianity in the region, with notable figures like Saint Columba contributing to its religious influence. The kingdom of Dalriada was characterized by its coastal geography, which facilitated trade and communication with other regions. It eventually became part of the larger Kingdom of Scotland as political boundaries shifted over time. The legacy of Dalriada is still evident in the cultural and historical identity of both Scotland and Ireland.