Sendai is located at lat. 38°16'05" north, long. 140°52'11" east. The city's area is 788.09 km², and stretches from the Pacific Ocean to the Ōu Mountains, which are the east and west borders of Miyagi Prefecture. As a result, the city's geography is quite diverse. Eastern Sendai is a plains area, the center of the city is hilly, and western areas are mountainous. The highest point in the city is Mount Funagata which stands 1,500 metres (4,921 feet) above sea level. Unique among Japan's large coastal cities, Sendai's city core is built on a terrace at 40–60 metre elevation.

Sendai is the center of the Tōhoku region's economy, and is the base of the region's logistics and transportation. The GDP in Greater Sendai, Sendai Metropolitan Employment Area (1.6 million people), is US$61.7 billion in 2010. Sendai city by itself has a nominal GDP of approximately US$50 billion as of 2015. The city's economy heavily relies upon retail and services – the two industries provide approximately two thirds of the employment and close to half of the establishments.

When someday comes you'll need to get in.

When someday comes you'll need to be able to get around.