Answer:

basel

AnswerCrossword Clue
BASELCity on the Rhine
BASELSwiss city
BASELHome to Erasmus
BASELGerman-speaking Swiss city
BASELSwiss city on the Rhine
BASELCity in NW Switzerland
BASELRhine River city
BASELSwiss city bordering Germany and France
BASELSwiss border city
BASELSwiss city bordering both France and Germany
BASELErasmus's burial site
BASELRoger Federer's birth city
BASELSwiss cultural city
BASELSwiss city that borders France and Germany
BASELCanton in Switzerland.
BASELCity on the Rhine.
BASELManufacturing city in NW Switzerland.
BASELCity on the Upper Rhine.
BASELSwiss canton.
BASELSwiss city.
BASELSite of 1431 Council.
BASELSwiss city on the Rhine.
BASELCity in Switzerland.
BASELSwiss site of a 1431-1449 council
BASELErasmus lived here: 1521
BASELSynod site: 15th century
BASELCanton or city on the Rhine
BASELRhine city
BASELSwiss canton
BASELSwiss river port
BASELHome to many Swiss banks
BASELEuler's birthplace
BASELBernoulli family birthplace
BASELCity where Erasmus taught
BASELCity where Switzerland, Germany, and France come together
BASELDivided Swiss canton
BASELSwiss Rhine River city
BASELCity in Switzerland
BASELSwitzerland city
BASELHome of Roche and Novartis