Johor Bahru (Malaysian: [ˈdʒohor ˈbahru]), colloquially referred to as JB, is the capital city of the state of Johor, Malaysia. It is located at the southern end of Peninsular Malaysia, along the north bank of the Straits of Johor, opposite the city-state Singapore. The city has a population of 858,118 people within an area of 391.25 km2. Johor Bahru, which is the second largest GDP contributor among the first and second tier cities in Malaysia,[4] forms the core of Johor Bahru District, the second largest district in Malaysia by population. It also forms a part of Iskandar Malaysia, the nation’s largest special economic zone by investment.

Johor Bahru serves as one of the two land border connections on the Malaysian side between the countries of Singapore and Malaysia, the other being the Second Link that links Iskandar Puteri to Tuas. It is the busiest international border crossing in the world; its direct land link to Woodlands, Singapore through the causeway is a key economic driver of the border city. Johor Bahru is categorised as Zone A of Iskandar Malaysia and is adjacent to Senai International Airport and the 16th busiest port in the world, Port of Tanjung Pelepas.