Liechtenstein Open Border with Switzerland: Customs Union Explained

Why Liechtenstein uses the Swiss Franc and shares a 100-year-old customs and currency treaty with Switzerland.

Written by ETH Editorial Team

Published: Aug 15, 2026 • Fact-checked by ETH Editorial Team

• The Swiss-Liechtenstein Partnership

The Swiss-Liechtenstein Partnership

Since 1923, the Principality of Liechtenstein has maintained a formal customs and currency union with the Swiss Confederation.

Open Western Border: The Rhine river forms the border between Switzerland and Liechtenstein. Bridges carry road and bus traffic without any physical border checkpoints.
Currency: Liechtenstein officially uses the Swiss Franc (CHF).
Eastern Border with Austria: The border checkpoint between Liechtenstein and Austria at Schaanwald / Tisis is staffed by Swiss Border Guard officers operating under joint bilateral agreements.

About the Author

ETH Editorial Team

The ETH (Euro Travel Hacks) Editorial Team researches European travel costs, transport, accommodation, and trip-planning information using official sources and structured Euro Travel Hacks data. Changing prices and travel information are dated and reviewed against cited sources where practical.

Experience: Structured research and verification across official European transport operators, municipal transit authorities, and national tourism offices.

Liechtenstein Open Border with Switzerland: Customs Union Explained

The Swiss-Liechtenstein Partnership

ETH Editorial Team

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