Zeiss (ツァイス地方) is the southernmost region in Liberl. It borders on the Ruan region to the northwest, the Titith Bay in the south, the Grancel region to the northeast and Valleria Lake to the north. Its provincial capital is the City of Zeiss.
City of Zeiss, also known as the Industrial City, is the regional capital of the Zeiss region. It is the heart of Liberl's orbment industry. Towering high above the city streets is the Zeiss Central Factory where everything from lighting fixtures to airships is mass-produced.
Elmo Village is a famous town in the Zeiss region, known as the hot springs resort town and it is reputed for its famous hot springs bath house.