Spassk-Dalny is a town (since 1917), the administrative center of the Spassk District of the Primorsky Territory. Its population makes 42 020 people (as of 2015).

The town stands on the banks of Kuleshovka River, 20 km away from Lake Khanka, and 243 km to the north of Vladivostok.

Spassk-Dalny is a railway station in the Trans-Siberian Railway. The Trans-Siberian Railway passes through Spassk-Dalny, dividing the town into two parts: western and eastern.

The western part of the town is historically older and has the Spassk-Dalny railway station, a bus station, an extensive area of one-storey private houses, historical buildings of the early 20th century, as well as administrative and residential buildings of the 1960s — 1970s. The eastern part of the town was the garrison area with military units. Now five-floor houses of the 1960s-1980s are located there.

Spassk-Dalny boasts the most favorable summer climate in the Primorsky Territory. The average temperature of July and August is 20 centigrade above zero. Winter is clear and frosty, with the average temperature of 15 centigrade below zero in January. The vegetative period lasts for about 200 days.