Toyota's are made in plants in many countries, but for those made in Japan, here is a list of which plants make what:

Places where cars and parts are made
[table="head;width=640px"]Factory Name |Work Done and Things Made (as of August 2010)
Honsha Plant |Forged parts, motors for hybrid vehicles
Motomachi Plant |Crown Majesta, Crown, Mark X, Estima
Kamigo Plant |Engines
Takaoka Plant |Corolla, iQ
Miyoshi Plant |Transmission-related parts, cold-forged and sintered parts
Tsutsumi Plant |Prius, Camry, Premio, Allion, Scion tC
Myochi Plant |Suspension cast parts, suspension machine parts
Shimoyama Plant |Engines, turbochargers, VVT, catalytic converters
Kinuura Plant |Transmission-related parts
Tahara Plant |LS, GS, IS, WISH, Land Cruiser, Vanguard, 4Runner, GX, RAV4, engines
Teiho Plant |Mechanical equipment, moldings for forging and casting and resin-molding dies
Hirose Plant |Research and development and production of electronic control devices, IC[/table]

Toyota’s affiliates in Japan also help make Toyota cars.
[table="head;width=640px"]Company Name|Work Done and Things Made (as of August 2010)
Toyota Motor Kyushu, Inc. |ES, IS, RX, HS, Harrier, Highlander, SAI, engines, motors for hybrid vehicles
Toyota Motor Hokkaido, Inc. |Automobile parts such as automatic transmissions, power transfer units, aluminum wheels
Toyota Motor Tohoku, Inc. |Electronically Controlled Brakes, suspensions, axles, torque converters
Toyota Auto Body Co., Ltd. |Prius, Estima, Alphard, Vellfire, Noah, Voxy, Land Cruiser, Hiace, Coaster
Kanto Auto Works, Ltd. |Century, Crown, Comfort, Belta, Blade, Auris, Corolla Rumion, Corolla Fielder, Isis, ist, Scion xB, Scion xD
Central Motor Co., Ltd. |Corolla Axio, Raum, Yaris
Gifu Auto Body Co., Ltd. |Hiace, Ambulance
Daihatsu Motor Co., Ltd. |bB, Porte, Passo, Succeed, Probox, Passo Sette, Rush
Hino Motors, Ltd. |Land Cruiser, Dyna, Toyoace, FJ Cruiser
Toyota Industries Corporation |Mark X ZiO, Vitz, RAV4[/table]

Extracted from: http://www.toyota.co.jp/en/kids/toyota/world.html