Hello! It's exciting to hear about your travel plans to Vienna, Wachau, and Linz in Austria. Here are some tips for your journey.

Best Time to Visit:
The best time to visit Vienna and Linz is between April and October when the weather is warm, and for Wachau, September and October are specifically ideal as it's when the grape harvest happens and is a wine lover's paradise.

Route and Accessibility:
Vienna has excellent air connectivity with many significant international flights. From Vienna, you can take a train to Linz, approximately a 1-2 hour journey, depending on the type of service. From Linz, Wachau is just an hour's drive away.

Accommodation and Booking:
All these cities offer a wide range of accommodations from luxury to budget hotels. It is recommended to book your accommodations in advance, particularly during peak seasons. Online platforms such as Booking.com, Airbnb can provide good options.

Clothing and Essentials:
Pack clothing that's suitable for the season - lighter clothing and a light jacket for the spring/summer, or warmer clothing and a heavy coat for late fall/winter. Don't forget comfortable shoes for walking around cities and exploring. Also, pack essentials like travel adapters for your electronic devices, Austria uses type C and F plugs.

Health and Safety:
Austria is a safe country for tourists. However, standard travel precautions apply. Keep your belongings secure, be alert in crowded places, and have travel insurance. Pharmacies, known as 'Apotheke', are widely available for medical needs.

Local Etiquette and Respect:
Austrians are generally very formal and polite. Shaking hands is a common greeting. Tipping is customary in restaurants and for services, usually around 10%. When visiting any religious sites, remember to dress appropriately.