Extraterritoriality raises many problems...One of the most complex is to determine at what point a situation is located in a given territory...[This] memorandum focuses on the particular approach of countries in the Romano-Germanic law tradition of continental Europe, under-represented [to date]...[We] shall consider extraterritoriality in criminal law..., civil law...and administrative law...[then] at certain sets of rules designed to protect the environment...The final section contains proposals.