Absolutely, Bali is a tropical paradise with gorgeous beaches, lush vegetation, and rich cultural heritage. Here are the travel tips for visiting Denpasar, Seminyak, and Ubud:

Best Time to Visit:
The ideal time to visit Bali including Denpasar, Seminyak, and Ubud is during the dry season, which is between April and September. During this time, the weather is less humid, ideal for sightseeing and beach activities.

Route and Accessibility:
All three locations are easily accessible by car or motorbike. After arriving at Ngurah Rai International Airport in Denpasar, you can hire a car or taxi to reach Seminyak or Ubud.

Altitude and Acclimatization:
The altitude of these regions varies. Denpasar and Seminyak are at sea level, while Ubud is at a slightly higher altitude (around 200 m). Acclimatization is not a major concern here.

Accommodation and Booking:
Bali offers a wide range of accommodation ranging from budget homestays to luxury villas and resorts. It's advisable to book in advance during high travel seasons.

Clothing and Essentials:
The climate in Bali is warm all year round, so pack lightweight casual clothes. Don't forget beachwear and a good quality sunscreen. Also, pack a light jacket for the cooler evenings.

Health and Safety:
Avoid drinking tap water and stick to bottled water. Always keep a basic first-aid kit handy. In case of emergency, Bali has good medical facilities.

Local Etiquette and Respect:
While visiting temples, dressing properly is paramount (cover shoulders and upper arms, no short skirts). Also, respect local traditions and regulations. In Ubud, be careful not to step on small offerings (canang sari) left on the sidewalks.