Güímar is the name of a municipality, town, and valley in the eastern part of the Spanish island of Tenerife, one of the Canary Islands, and part of Santa Cruz de Tenerife (province). The municipality and extends for 1,029 square kilometers from the mountainous interior to the beaches on the Atlantic, and borders the municipalities of La Orotava, Arafo, and Fasnia. Its estimated population is 18,589 (2013). The TF-1 motorway passes through the municipality.