Plered is the location of the palace of the successors of Sultan Agung close to the banks of the Opak River

Opak River

Opak River is a river that flows from the lower slopes of Mount Merapi and passes to the east the location of Yogyakarta and west of Kota Gede....

 in Southern Central Java

Central Java

Central Java is a province of Indonesia. The administrative capital is Semarang. It is one of six provinces on the island of Java.This province is the province of high Human Development in Indonesia and its Points Development Index countries is equivalent to Lebanon. The province of Central Java...

 in Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

, south of Kota Gede

Kota Gede

Kota Gede also known as Pasar Gede is an area in the Indonesian city of Yogyakarta. One of the old capitals of Mataram, the area now has an archaeological site which contains the remains of the kraton , the royal cemetery, and royal mosque of Mataram, dated from the late 16th and early 17th...

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It is located to the east of the site of Sultan Agung's palace at Karta.
It is also the location of extensive irrigation and other water works which occurred at the time of the palace being used.