Piera is a municipality that covers a lairge portion o the sootheastren corner o the comarca o Anoia in Catalonie, Spain, on the left bank o the Anoia river. The agricultural laund, maistly nan-irrigatit, is uised for the cultivation o cereals, grapes, olives an awmonds. The toun itsel hosts a nummer o licht industries: textiles, plastics an construction materials. Tourism durin the simmer months is relatively important for the local economy an aw.