Semarang city, the capital of Central Java province is located on the north Coast of Java Sea. Semarang is situated on Java’s northern coast and is called the capital of Central Java, as it lies just about halfway between the extreme east and west coasts of the island. From Candi Hill we get amazing scenery of the port, the lowlands and green paddy fields, the city itself and the surrounding mountains. The environs around Semarang are perfect for clay trips side-excursions. Semarang is the five major cities in the nation. It is situated on Java’s normally flat northern coast and appropriately called the capital of Central Java.
Semarang is a busy administrative and trading city, most of the offices, business centers, industrial estates are concentrated in the low land, where as in the hilly side, there are many houses with the beautiful gardens with a superb view to the town and the sea. The old records of this city date back to the 15th to the 18th century AD in where captivating ancient and colonial monuments still standing to present date.
There is an older part of the city, close to its ocean harbor, where we can still find an interesting collection of odd-looking buildings dating back to the Dutch colonial era and further back still, to the time of the Dutch East Indies Company. The old city has colonial era buildings (Dutch) and is well worth a stroll. If have time we can try and catch a traditional Wajang puppet performance.
The population of Semarang is predominantly Javanese, though with smaller numbers of people from many regions in Indonesia. The city is known for its large ethnically Chinese population. The main languages spoken are Indonesian and Javanese. As a result of its large ethnically Chinese population, the city boasts several Chinese temples. These include Sam Po Kong (Kedung Batu), built in honor of the Chinese Great Admiral Zheng He who visited the area in 1405, and Tay Kak Sie Temple. Blenduk Church, a 1753 Protestant church built by Dutch, is located in the old town (called "Oudstad"). Tugu Muda (Youth Monument), a monument to heroes of Indonesia’s independence struggle, is located in front of Lawang Sewu Building, at the end of Pemuda Street, one of the city’s major shopping streets.
quoted from http://www.indonesia-tourism.com/central-java/semarang.html