The geostrategic situation in Europe is completely new; 12 European states have applied for NATO membership. The Madrid summit has invited Poland, the Czech Republic, & Hungary to become members in 1999. The article describes major milestones & quotes the international documents relevant to the access of new members. The interests of directly or indirectly concerned states are analyzed. It will be very important to combine stability & the legitimate security concerns of all states within the Euro-Atlantic area. Adapted from the source document.