Explanation:

- Urban village: This term typically refers to a suburban or rural community that retains the characteristics and sense of community of a small village despite being near or part of a larger city.

- Conurbation: This term describes a large urban area consisting of a series of cities or towns that have merged into a continuous metropolitan area. It was coined by Patrick Geddes in 1915.

- Megalopolis: A term used to describe a large chain of roughly adjacent metropolitan areas, with the first modern usage attributed to describing regions like the northeastern United States.

- Metropolis: Refers generally to a large and significant city that is often a hub of economic, political, or cultural life.

The correct answer is:

- Option 2: Conurbation