Of course! A trip to Istanbul, Gaziantep, and Sanliurfa offers a rich cultural experience. Here are some travel tips to guide you through your journey:

Best Time to Visit:
April to May (Spring) and September to mid-November (Autumn) are the ideal times to visit these Turkish cities when the weather is mild and pleasant.

Route and Accessibility:
Direct flights are available to Istanbul from many international destinations. From Istanbul, you can catch flights to Gaziantep and Sanliurfa. Also, intercity transportation is well established in Turkey with efficient bus and train systems.

Altitude and Acclimatization:
These cities are located at low altitudes, so altitude sickness is not really a concern. However, pace yourself when roaming around to avoid exhaustion, especially during peak summers when temperatures can rise significantly.

Accommodation and Booking:
Accommodations range from budget to luxury. It’s recommended to book hotels in advance especially during peak tourist seasons. Since Gaziantep and Sanliurfa are not as touristy as Istanbul, you may find accommodation here relatively cheaper.

Clothing and Essentials:
Summers can be quite hot, so pack lightweight breathable clothing, a hat for sun protection, comfortable walking shoes, and sunscreen. If visiting in winter, warm clothing is necessary!

Health and Safety:
Stay hydrated and use sun protection in summers. It's recommended to purchase travel insurance prior to your trip for any unforeseen emergencies.

Local Etiquette and Respect:
Turkey is known for its hospitality. Respect the local customs and traditions. In the more conservative part of Turkey like Sanliurfa, dressing modestly is appreciated. Turkish people regard handshake as customary greeting, but avoid shaking hands with a person of the opposite gender unless they extend their hand first. Also, remember to remove your shoes when entering a mosque and refrain from disturbing people during prayer times.