Conglomeration (adjective): made up of parts from various sources or of various kinds.

“Across from the airport, just east of the Strip, the whole conglomeration like some strange amorphous triple junction, designed for tourists, or at least, for visitors: easy in and easy out.”

“Walk with Me” – David L Ulin

Another word that can be used is combination or group and the same effect can be had. This word, while is fancy, may be difficult for most people to understand as it has no root words or common sounding words within for the reader to corelate the meaning to.