Mestečko (Hungarian: Lednickisfalu) is a village and municipality in Púchov District in the Trenčín Region of north-western Slovakia.

In historical records the village was first mentioned in 1471.

The municipality lies at an altitude of 321 metres and covers an area of 5.423 km (2 sq mi). It has a population of about 505 people.

• Official website
• https://web.archive.org/web/20071027094149/http://www.statistics.sk/mosmis/eng/run.html