Article 5.1 in the Brussels I-Regulation regulates special rules on jurisdiction for contractual disputes. The aims of this thesis are to determine the location as provided under Article 5.1 b), as the place of performance for the obligation in question. The focus of this thesis is the problems that occur when services, according to the contract, are to be performed in several Member States..

The courts international juristiction within the European union is regulated by the Brussels I Regulation. Article 2.1 of the Brussels I Regulation contains the fundamental provision. According to this Article the plaintiff shall submit an action where the defandent is domiciled. The Regulation provides exemptions to the this provision in Article 2.1.The court of the international case can also be determined according to Article 5 (1) of the Brussels I Regulation. This Article contains an alternative to the general provision within Article 2.1.