Complex sentence: Due to this, it is sometimes included as part of North Jersey and as the southernmost city of the Tri-State Region, while others consider it a part of South Jersey and thus, the northernmost city of the Delaware Valley.
Split into simpler sentences: Due to this, it is sometimes included as part of North Jersey and as the southernmost city of the Tri-State Region. Others consider it a part of South Jersey and thus, the northernmost city of the Delaware Valley.