There is not a city named San Blas. However, there is a region or district in several countries called San Blas. One such place is the San Blas Islands, an archipelago located off the Caribbean coast of Panama. The islands are home to the indigenous Guna Yala people and are known for their pristine beaches, crystal-clear waters, and vibrant coral reefs. It is a popular tourist destination for those seeking an idyllic tropical getaway.