   coba (cobÃ¡ in the spanish language) is a large ruined city of the pre-columbian maya civilization, located in the state of quintana roo, mexico. it is located about  east of the maya site of chichen itza, about  west of the caribbean sea, and  northwest of the site of tulum, with which it is connected by a modern road. the adjacent modern village reported a population of 1,278 inhabitants in the 2010 mexican federal census.2010 census tables: inegi ==site layout and description== left|thumb|map of the cobÃ¡ archeological site. coba is located around two lagoons. a series of elevated stone and plaster roads radiate from the central site to various smaller sites near and far. these are known by the maya term sacbe (plural sacbeob). some of these causeways go east, and the longest runs over  westwards to the site of yaxuna. the site contains several large temple pyramids, the tallest, in what is known as the nohoch mul group of structures, being some  in height. ixmoja is the tallest pyramid on the yucatÃ¡n peninsula. coba is estimated to have had some 50,000 inhabitants (and possibly significantly more) at its peak of civilization, and the built up area extends over some 80&nbsp;kmÂ². the site was occupied by a sizable agricultural population by the 1st century. the bulk of coba's major construction seems to have been made in the middle and late classic period, about 500 to 900, with most of the dated hieroglyphic inscriptions from the 7th century. however coba remained an important site in the post-classic era and new temples were built and old ones kept in repair until at least the 14th century, possibly as late as the arrival of the spanish. ==economy== coba traded extensively with other mayan communities, particularly the ones further south along the caribbean coast in what is now belize and honduras. it utilized the ports of xcaret, xel-hÃ¡, tankah, 
Former_populated_places_in_Mexico Maya_sites Maya_sites_in_Quintana_Roo Ruins_in_Mexico Tourism_in_Mexico Visitor_attractions_in_Quintana_Roo