Bláskógabyggð (pronunciation [ˈplauːˌskouː(ɣ)aˌpɪɣθ]) is a municipality located in Iceland's Southern Region. Its major settlements are Laugarás [ˈlœyːɣarˌauːs] and Laugarvatn. The municipality was formed in 2002 after the merger of Laugardalshreppur, Biskupstungnahreppur and Þingvallahreppur. Within the area of the municipality lies an enclave of another municipality, Grímsnes- og Grafningshreppur.