Archena is a municipality of Spain in the autonomous community and province of Murcia. It has a population of 18,496 (1-1-2012) and an area of 16.5 km. It is 24 km from the provincial capital, Murcia. Archena is home to a hot water mineral spa, dating back to Roman times and has 3 hotels built around it. Whilst undergoing recent development, further Roman ruins were found on the site of the spa.