沿海州 (Enkaishu-Koko)
Flag Coat of arms
Motto: 私たちの未来を守る
(Watashitachi no mirai o mamoru)
Anthem: '君が代'
Administrative center
Kyuden, Toyohuku
Largest city Toyohuku
Official languages Japanese
Recognised regional languages Ryukyu Languages
Demonym Japanese, Enkaishan
Government Unitary Parliamentary Democracy under a Constitutional Monarchy
• Emporer
• Prime Minister
Shinzo Kamomatsu
Legislature National Diet of Enkaishu
Establishment 1979
• Total
1,500 km2 (580 sq mi)
GDP (PPP) 2013 estimate
• Total
$351.199 Billion
GDP (nominal) estimate
• Total
$243.302 Billion
Enkaishu, or Enkaishu-Koku (沿海州 - Japanese, Meaning 'Primorsky') also referred to as New Japan, is a small city-state, sandwhiched between Russia, Mongolia and China. Founded by displaced Japanese fleeing corporate society and political upheaval in the East Asian Federation in the late 1960's and 70's. Enkaishu was granted independence from Russia in 1979, and today is one of the most densely populated regions on Earth, almost entirely covered by the city of Toyohuku. Enkaishu is centred around the Toyohuku Bay, and its surrounding area of coastal plains, giving it ample space for expansion, an area of roughly 900 km2. 

Enkaishu has one of the most developed economies in the world, a triumph for its short existence of just over 30 years. Enkaishu has one of the busiest ports in the world, and its economy is centre heavily around the Quaternary Sector, mostly Resarch & Developemt of Technology and Pharmaceuticals, Baking, and Manufacturing. 

Enkaishu is heavily influenced by Japanese culture, due to its Japanese heritage. Many citizens, and people who have lived in Enkaishu all of their life still recognise themselves as Japanese.

Enkaishu is officially a Unitary Parliamentary Democracy, based on Japan's political system, under a cultural constitutional monarchy, made up of the fleeing Japanese Royal Family. The Emporer of Enkaishu is the figurehead of the unity of the Japanese Enkaishuans. Enkaishu's head of state is the Emporer of Enkaishu, whilst the head of government is the Prime Minister of Enkaishu. The legislative arm is made up of the National Diet of Enkaishu, based on Japan's legislature system. The current Emporer is Emporer Akihito, joined by Empress Michiko.