Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Matsuyama Castle (Iyo) -  Matsuyama Castle (松山城 Matsuyama-jō) is a flatland-mountain castle that was built in 1603 on Mount Katsuyama whose height is 132 meters in Matsuyama city in Ehime Prefecture (the former Iyo Province). It is not to be confused with Bitchū Matsuyama Castle.
Answer:
Building