 A medium-sized civic-ceremonial centre, it was an important political and economic centre during the Late Classic period (AD 650–950).The site was first settled between 600 and 300 BC, in the latter portion of the Middle Preclassic period, when it most likely was a fairly small site.This Maya city then had a long and continuous occupational history until the Early Postclassic, up to around AD 1250, with peaks in the Late Preclassic and Late Classic periods.