With an estimated population of around 120,000 people, Cambridge is a university city. The University of Cambridge buildings are spread around the town. Currently there are around 18,000 students are enrolled in the university. The main subjects trained at this university are arts and sciences but has a strong history in the sector of applied mathematics and mathematical physics. It is home to some of the most historical landmarks in the UK. It is home to the St. John's College and Trinity College, University of Cambridge, the king's college and king's college chapel.