This is the 6738th most frequent Japanese word.
パークス
"パークス" (Pākusu) is the transliteration of "Parks" in English.
In this sentence, 'パークス' (Parks) likely refers to a specific shopping or entertainment establishment, possibly named 'Parks', identifiable by the use of katakana.
私は休日に友達とパークスに行きました。
I went to Parks with my friends on the holiday.
Here, 'パークス' is used to denote a location, and the copula 'という' indicates it is a proper noun, possibly the name of a facility.
新しい映画館がパークスという場所にオープンしました。
A new cinema opened in a place called Parks.
In this context, 'パークス' serves as a proper noun referring to a specific location, Abeno Parks, which is a renowned mall in Osaka.