What county in Ireland has a town that gave its name to famous book?

The county of Wicklow in Ireland has a town called Bray, which gave its name to the famous children's book "Heidi". Johanna Spyri, the author of "Heidi", visited Bray in the 1880s and was so captivated by the natural beauty of the area that she decided to name the fictional town in her book after it.