On March 14, the six countries agreed that Poland could have a seat at the table in any discussions of the German-Polish border.
Patrols along the German-Polish border have already been increased.
Many hotels and bed and breakfast establishments are available on both sides of the German-Polish border.
Between 1871 and 1918 the town was the geographical centre of the German Empire: today, it is only 25 km from the German-Polish border.
The Oder River, forming the German-Polish border, bounds the region in the east.
And the U.S. formally recognizes the current German-Polish border.
Chancellor Kohl set terms for Poland on a treaty recognizing the German-Polish border.
The Lusatian Neisse since 1945 forms the German-Polish border.
Chancellor Kohl's failure to put to erase all doubts about the fate of the German-Polish border appears to be feeding these other anxieties.
But some foreign diplomats said France's strong restatement of its concern about the German-Polish border would not please Bonn.