Tuscany

Here's a suggested itinerary for 4 days in Tuscany that I think would be perfect for your group of three single women over 70:

Day 1: Arrival in Florence

• Arrive in Florence and check into your hotel
• Take a leisurely stroll around the city center and admire the beautiful architecture and art
• Visit the Uffizi Gallery, one of the most famous art museums in the world, and see works by Botticelli, Michelangelo, and Leonardo da Vinci
• Enjoy a delicious dinner at a local restaurant and try some traditional Tuscan dishes like ribollita or bistecca alla fiorentina

Day 2: Chianti Wine Tour

• Take a scenic drive through the rolling hills of the Chianti region and visit some of the best wineries in Tuscany
• Learn about the wine-making process and taste some of the region's famous wines, like Chianti Classico and Brunello di Montalcino
• Stop for lunch at a local trattoria and enjoy some delicious Tuscan cuisine
• Return to Florence in the evening and relax at your hotel

Day 3: Siena and San Gimignano

• Take a day trip to the beautiful medieval city of Siena, known for its stunning cathedral and historic center
• Visit the Piazza del Campo, one of the most famous squares in Italy, and see the Palazzo Pubblico and the Torre del Mangia
• Enjoy a leisurely lunch at a local restaurant and try some of the region's famous dishes, like pici pasta with wild boar ragù
• After lunch, head to the nearby town of San Gimignano, known for its medieval towers and beautiful views of the surrounding countryside
• Return to Florence in the evening and enjoy a relaxing dinner at a local restaurant

Day 4: Florence and Departure

• Spend your last day in Florence exploring some of the city's famous landmarks, like the Duomo, the Ponte Vecchio, and the Palazzo Pitti
• Visit the Mercato Centrale, a bustling indoor market where you can sample some of the region's best food and wine
• Enjoy a farewell lunch at a local restaurant and say goodbye to Tuscany
• Depart for your next destination

I hope this itinerary gives you a good idea of what you can do during your 4 days in Tuscany. Let me know if you have any questions or if there's anything else I can help you with!