Final answer:
The Premiere Pro main Toolbar is usually situated between the Timeline Panel and the Project Panel, offering essential video editing tools that can be customized.
Step-by-step explanation:
The main Toolbar in Adobe Premiere Pro is typically located, by default, in between the Timeline Panel and the Project Panel. The Toolbar includes various editing tools such as the Selection Tool, Ripple Edit Tool, and the Rate Stretch Tool, which are essential for precise video editing tasks. Users can customize this Toolbar to rearrange tools according to their workflow preferences.