The Collaborative International Dictionary of English v.0.48:

Upcountry \Up"coun`try\, adv.
   In an upcountry direction; as, to live upcountry. [Colloq.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Upcountry \Up"coun`try\, a.
   Living or situated remote from the seacoast; as, an upcountry
   residence. [Colloq.] -- n. The interior of the country.
   [Colloq.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

upcountry
    adj 1: of or coming from the middle of a region or country;
           "upcountry districts" [syn: interior, midland,
           upcountry]