The LOTO Project (Landscape Opportunities for Territorial Organization), a recent pilot study for regional landscape planning undertaken by the European Institute of Cultural Routes, an agency of the European Union, simply calls it "the Apennine Ridge" of "the Umbria Region," which it locates in "the central and northern mountains of the Apennines.
Regija, ki jo določa omenjeni slovar vključuje Monte Nerone (1526 m), ki je pravzaprav v Marke.