A party can be brought to trial: 1/ in cases which concern administration, before the tribunal of the place where the administration was conducted; 2/ in cases which regard inheritances or pious legacies, before the tribunal of the last domicile, quasi-domicile, or place of residence, according to the norm of cann. 1408-1409, of the one whose inheritance or pious legacy is at issue unless it concerns the mere execution of the legacy, which must be examined according to the ordinary norms of competence.
Source: Code of Canon Law (Vatican.va)